Weird permissions query

[#1]

Moderator's note:

Thread moved to 'Tech Help'

[#2]

I've given @bobpullen the 'fix' as his suggestion led me to the solution, but I'm grateful to @picbits for his interest and suggestions - pity you can't give multiple 'This fixed its'

[#3]

No worries - glad you got it all sorted in the end

[#4]

What was your solution btw?

If you ever suspect ublock origin is blocking something, you can use the logger to find out what filter is the culprit and untick it in the settings.

[#5]

@RPMozley It was uBlock Origin 'at fault'. For ease of use, I merely disabled it for that page. I did realise I could have used the logger (later), and will use that if I have problems anywhere else.